Duct sensor for measuring the average temperature in air ducts. The sensor measures the mean temperature value throughout the entire length. A spring at the connection head reduces vibrations. Mounting angles are included in the delivery content. Models with a relay output for a 2-point controller or a 2-stage 2-point controller and color-changing LCD allow for a wide range of applications. Depending on the model, the sensor can be individually configured via Thermokon USEapp. A hinged cover and tool-free wiring as well as removable cable entries ensure a quick and easy installation.

Measured valuestemperature
Output voltageTRV: 1x 0..10 V or 0..5 V, min. load 5 kΩ
Output currentTRA: 1x 4..20 mA, max. load 500 Ω
Output passivePT100 | PT1000 | Ni1000 | Ni1000TK5000 | Ni891, NTC10k | NTC20k | NTC1,8k
Power supply15..24 V = (±10%) or 24 V ~ (±10%) SELV, TRA: 15..24 V = (±10%) SELV
Power consumptionTRV: typ. 0,4 W (24 V =) | 0,8 VA (24 V ~), TRA: max. 0,5 W (24 V =)
Measuring range temp.passive: -30..+80 °C, depending on used sensor
Output signal range temp.TRV | TRA:, Scaling analog output, -20..+80 °C (default setting), selectable from 8 temperature ranges -50..+50 | -20..+80 | -15..+35 | -10..+120 | 0..+50 | 0..+100 | 0..+160 | 0..+250 °C, adjustable at the transducer
Operating temperature rangepermissible working temperature, sensor rod -30..+80 °C, enclosure: -35..+70 °C
Accuracy temperature±0,5 K (typ. at 21 °C within default measuring range), passive: depending on used sensor
Enclosureenclosure USE-S, PC, pure white
Protection (IP)IP65 according to EN 60529
Cable entryFlextherm M20 for wire Ø=4,5..9 mm, removable
Electrical connectionremovable plug-in terminal, max. 2,5 mm²
Sensor rodcopper, Ø=4 mm, mounting length 400 mm, Sensor neck: stainless steel V4A, Ø=6 mm
Ambient conditionmax. 85% rH short term condensation
Delivery contentincl. mounting clip enclosure USE-S pure white

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Thermokon Sensortechnik GmbH
Platanenweg 1
35756 Mittenaar
Tel.: +49 2778 6960-0

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